CVE & CISA-KEV Catalog

CVE-2020-8285

HIGHEPSS 95th pctl
7.5
CVSS v3
NVD

Description

curl 7.21.0 to and including 7.73.0 is vulnerable to uncontrolled recursion due to a stack overflow issue in FTP wildcard match parsing.

How to fix

Remediation Available
curlDebian
Fixed in:7.74.0-1CVE-2020-8285
Fixed in:7.74.0-1CVE-2020-8285
Fixed in:7.74.0-1CVE-2020-8285
Fixed in:7.74.0-1CVE-2020-8285
curlUbuntu
Fixed in:7.35.0-1ubuntu2.20+esm6USN-4665-2
Fixed in:7.47.0-1ubuntu2.18USN-4665-1
Fixed in:7.58.0-2ubuntu3.12USN-4665-1
Fixed in:7.68.0-1ubuntu2.4USN-4665-1
libcurl3Ubuntu
Fixed in:7.35.0-1ubuntu2.20+esm6USN-4665-2
Fixed in:7.47.0-1ubuntu2.18USN-4665-1
libcurl3-gnutlsUbuntu
Fixed in:7.35.0-1ubuntu2.20+esm6USN-4665-2
Fixed in:7.47.0-1ubuntu2.18USN-4665-1
Fixed in:7.58.0-2ubuntu3.12USN-4665-1
Fixed in:7.68.0-1ubuntu2.4USN-4665-1
libcurl3-nssUbuntu
Fixed in:7.35.0-1ubuntu2.20+esm6USN-4665-2
Fixed in:7.47.0-1ubuntu2.18USN-4665-1
Fixed in:7.58.0-2ubuntu3.12USN-4665-1
Fixed in:7.68.0-1ubuntu2.4USN-4665-1
libcurl4Ubuntu
Fixed in:7.58.0-2ubuntu3.12USN-4665-1
Fixed in:7.68.0-1ubuntu2.4USN-4665-1
UniversalForwarderWindows application
Affected:8.2.0 8.2.12Fixed in:8.2.12Splunk, Inc.
Affected:9.0.0 9.0.6Fixed in:9.0.6Splunk, Inc.

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Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

9.92%probability of exploitation in 30 days
95thpercentile

Very high risk: more likely to be exploited than 95% of all known CVEs.

References

Related Vulnerabilities

Other CWE-674 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2021-45105Medium5.9100%-Fix
CVE-2024-25111High8.665%-Fix
CVE-2023-50269High8.658%-Fix
CVE-2021-42697High7.536%-Fix
CVE-2018-0739Medium6.519%-Fix
CVE-2007-1285High7.518%-Fix

Common questions

How do I fix CVE-2020-8285?

Published advisories record a fix for 7 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2020-8285 being actively exploited?

Not that we know of. CVE-2020-8285 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 9.9% is the estimated probability that it will be exploited in the next 30 days. That is higher than 95% of all scored CVEs.

How severe is CVE-2020-8285?

CVE-2020-8285 has a CVSS v3 base score of 7.5, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2020-8285 affect?

Published advisories record a fix for curl (Debian), curl (Ubuntu), libcurl3 (Ubuntu), libcurl3-gnutls (Ubuntu), and 3 more. Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-16.